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Omni-MATH / If the three points beginaligned & (1, a, b) & (a, 2, b) & (a, b, 3) endaligned are collinear (in 3-space), what is the value of a+b ? · Discussion

Discussing If the three points begin{aligned} & (1, a, b) & (a, 2, b) & (a, b, 3) end{aligned} are collinear (in 3-space), what is the value of a+b ? · Omni-MATH

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